27065257 has 2 divisors, whose sum is σ = 27065258. Its totient is φ = 27065256.

The previous prime is 27065237. The next prime is 27065267. The reversal of 27065257 is 75256072.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22382361 + 4682896 = 4731^2 + 2164^2 .

It is a cyclic number.

It is not a de Polignac number, because 27065257 - 2²³ = 18676649 is a prime.

It is not a weakly prime, because it can be changed into another prime (27065237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13532628 + 13532629.

It is an arithmetic number, because the mean of its divisors is an integer number (13532629).

Almost surely, 2^27065257 is an apocalyptic number.

It is an amenable number.

27065257 is a deficient number, since it is larger than the sum of its proper divisors (1).

27065257 is an equidigital number, since it uses as much as digits as its factorization.

27065257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 27065257 is about 5202.4279908520. The cubic root of 27065257 is about 300.2414981359.

The spelling of 27065257 in words is "twenty-seven million, sixty-five thousand, two hundred fifty-seven".